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. 2021 Sep 28;12(40):13546–13556. doi: 10.1039/d1sc03560f

Homo-polymerizations of DMDL and random copolymerizations of DMDL with co-monomers.

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Entry Co-monomer (M) Initiator Solventa [M]0/[DMDL]0/[initiator]0 (equiv.) T (°C) t (h) Conv (M/DMDL)b (%/%) M n c Đ c F DMDL d (%)
1 None AIBN Toluene 0/100/1 70 12 NA/82 10 300 1.61 100 (100)
2 None AIBN Bulk 0/100/0.5 70 1.5 NA/79 104 000 2.04 100 (100)
3 MMA AIBN Toluene 50/50/1 70 7 99/23 19 000 1.78 18 (19)
4 BA AIBN Toluene 50/50/1 70 1 98/56 130 000 1.53 37 (36)
5 St AIBN Toluene 50/50/2 80 12 79/NAe 5100 1.46 8 (NA)
6 AN AIBN EC 50/50/1 70 1 80/44 77 000 1.54 34 (35)
7 VAc AIBN Toluene 50/50/1 70 12 84/48 11 000 1.60 35 (36)
8 NVP AIBN DMF 50/50/1 70 2 96/28 29 000 1.81 19 (23)
9 DMA AIBN Toluene 50/50/1 70 1 100/39 91 000 1.95 28 (29)
10 PEGMA V65 Toluene 50/50/1 60 4 92/NAe 39 000 2.22 17 (NA)
11 DMAEMA AIBN Toluene 50/50/1 70 4 98/20 27 000 1.62 17 (17)
12 BMA AIBN Toluene 50/50/1 70 5 93/11 46 000 1.54 10 (11)
13 LMA AIBN Toluene 50/50/1 70 3 85/15 42 000 1.76 16 (15)
14 BzMA AIBN Toluene 50/50/1 70 3 92/26 39 000 1.76 19 (22)
15 EHMA AIBN Toluene 50/50/1 70 2 97/18 38 000 1.95 13 (16)
16 SMA AIBN Toluene 50/50/1 70 2 77/29 86 000 1.96 28 (27)
17 MEA AIBN Toluene 50/50/1 70 1 100/54 82 000 2.00 32 (35)
a

Dilution with 50 wt% solvent for entries 1 and 3–17. EC is ethylene carbonate. DMF is N,N-dimethylformamide.

b

Monomer conversion obtained with 1H NMR.

c

PMMA-calibrated THF-GPC values for entries 1, 3–5, 7, and 12–17 and PMMA-calibrated DMF-GPC values for entries 2, 6, and 8–11.

d

F DMDL value determined by the 1H NMR analysis of the purified polymer. In the parenthesis, FDMDL value calculated from the monomer conversions of DMDL and co-monomer determined using 1H NMR is given.

e

Monomer conversion of DMDL was unable to determine because the DMDL monomer peak overlapped with the co-monomer peak in the 1H NMR spectrum.